The product we are discussing here is Poly(sodium 4-styrenesulfonate) with the CAS number 25704-18-1. It is supplied directly from the factory at a reasonable price. This product is a water - soluble anionic polymer.
Chemical Formula: (C8H7NaO3S)n
Molecular Weight: Variable, depending on the degree of polymerization. Commonly available in different molecular weight ranges to meet various application requirements.
Appearance: Usually a white to off - white powder.
Solubility: Highly soluble in water, forming a clear to slightly hazy solution. It is insoluble in most organic solvents.
Stability: Stable under normal storage conditions. However, it should be kept away from strong oxidizing agents and acidic environments to prevent degradation.
Poly(sodium 4 - styrenesulfonate) has a wide range of applications in different industries:
Preparation: First, prepare a solution of Poly(sodium 4 - styrenesulfonate) by adding the appropriate amount of the powder to water while stirring. The concentration of the solution should be adjusted according to the specific application. For example, in water treatment, a solution with a concentration of 0.5% - 5% may be used.
Addition: When using it in different applications, add the prepared solution at the appropriate stage. In water treatment, it can be added before the coagulation or flocculation process. In electrochemistry, it can be incorporated into the electrolyte formulation during the preparation process.
Mixing: Ensure thorough mixing after adding the solution. In some cases, mechanical agitation or stirring may be required to achieve a homogeneous mixture.
Water Treatment Case
A municipal water treatment plant was facing challenges in removing fine suspended particles and turbidity from the source water. The existing coagulation process was not efficient enough. They decided to use Poly(sodium 4 - styrenesulfonate) as a coagulant aid. A 2% solution of the polymer was prepared and added to the coagulation tank at a dosage of 5 mg/L. After the addition, the sedimentation time was significantly reduced, and the turbidity of the treated water decreased from 20 NTU to less than 1 NTU. This not only improved the water quality but also increased the overall treatment capacity of the plant.
Electrochemical Case
A research group was working on developing a high - performance lithium - ion battery. They incorporated Poly(sodium 4 - styrenesulfonate) into the electrolyte system. The addition of the polymer increased the ionic conductivity of the electrolyte by 30%. As a result, the battery showed better charge - discharge efficiency and longer cycle life. The capacity retention of the battery after 500 cycles improved from 70% to 85% compared to the battery without the polymer additive.
If you have any questions or need further information about Poly(sodium 4 - styrenesulfonate), please feel free to contact us:
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